some of which tested only six fish. >> that kind of science wouldn't make it past a high school science fair. >> reporter: is this something i should be afraid of? >> you eat dna every time you swallow. you consume dna with every food you eat. >> reporter: altered dna? >> the gene comes from the chinook salmon. pacific salmon. that protein is identical to the same protein that's produced by the atlantic salmon. >> reporter: and nothing's going to happen to me or my children if they eat this fish? >> it will make you healthier. man has been altering the nature of animals since man walked upright and began domesticating animals. the beef that we consume, the pork that we consume today, don't resemble their early ancestors at all. two days ago, this fish was swimming in the tank. >> reporter: if there is a difference, it's not in the flavor. same texture. eating frankenfish. >> don't use that term. >> reporter: science fiction meets reality. food created in a lab. and a small company based in canada, hoping the fda will ignore the obvious stereotype and allow it on american dinner plates.